ia64/xen: add definitions necessary for xen event channel.
authorIsaku Yamahata <yamahata@valinux.co.jp>
Fri, 17 Oct 2008 02:17:56 +0000 (11:17 +0900)
committerTony Luck <tony.luck@intel.com>
Fri, 17 Oct 2008 17:01:13 +0000 (10:01 -0700)
Xen paravirtualizes interrupt as event channel.
This patch defines arch specific part of xen event channel.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>

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